Joshua Potter efc6d96903 Add utilities around Tuples. ... * Include convenience coercions. * Example that demonstrates how heterogeneous equality works. * Add a collection of theorems. * Fix incorrect definitions (e.g. `take`).		2023-02-27 15:23:41 -07:00
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Chapter0.lean	Add utilities around Tuples.	2023-02-27 15:23:41 -07:00